blob: 8f7e7ae2f05f695fde06febd65cd353c5e3ac065 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
// REQUIRES: arm
// RUN: llvm-mc -filetype=obj -arm-add-build-attributes -triple=armv7a-none-linux-gnueabi %s -o %t
// RUN: ld.lld --hash-style=sysv %t --shared -o %t2
// RUN: llvm-readobj --relocations %t2 | FileCheck %s
// RUN: llvm-objdump -s --triple=armv7a-none-linux-gnueabi %t2 | FileCheck --check-prefix=CHECK-EXTAB-NEXT %s
// Check that the relative R_ARM_PREL31 relocation can access a PLT entry
// for when the personality routine is referenced from a shared library.
// Also check that the R_ARM_NONE no-op relocation can be used in a shared
// library.
.syntax unified
// Will produce an ARM.exidx entry with an R_ARM_NONE relocation to
// __aeabi_unwind_cpp_pr0
.section .text.func1, "ax",%progbits
.global func1
func1:
.fnstart
bx lr
.fnend
// Will produce a R_ARM_PREL31 relocation with respect to the PLT entry of
// __gxx_personality_v0
.section .text.func2, "ax",%progbits
.global func2
func2:
.fnstart
bx lr
.personality __gxx_personality_v0
.handlerdata
.long 0
.section .text.func2
.fnend
.section .text.__aeabi_unwind_cpp_pr0, "ax", %progbits
.global __aeabi_unwind_cpp_pr0
__aeabi_unwind_cpp_pr0:
bx lr
// CHECK: Relocations [
// CHECK-NEXT: Section {{.*}} .rel.plt {
// CHECK-NEXT: 0x32DC R_ARM_JUMP_SLOT __gxx_personality_v0
// CHECK-EXTAB: Contents of section .ARM.extab:
// 0x0238 + 0x1038 = 0x1270 = __gxx_personality_v0(PLT)
// CHECK-EXTAB-NEXT: 0238 38100000 b0b0b000 00000000
|
